Number of partitions of 1 into up to n powers of 1/2.

Terms

a(0) =1a(1) =2a(2) =3a(3) =5a(4) =8a(5) =13a(6) =22a(7) =38a(8) =66a(9) =116a(10) =205a(11) =364a(12) =649a(13) =1159a(14) =2073a(15) =3712a(16) =6650a(17) =11919a(18) =21370a(19) =38322a(20) =68732a(21) =123287a(22) =221158a(23) =396744a(24) =711760a(25) =1276928a(26) =2290904a(27) =4110102a(28) =7373977a(29) =13229810